323144320144 has 80 divisors (see below), whose sum is σ = 644213142720. Its totient is φ = 156932536320.

The previous prime is 323144320133. The next prime is 323144320183. The reversal of 323144320144 is 441023441323.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225501252 + ... + 225502684.

It is an arithmetic number, because the mean of its divisors is an integer number (8052664284).

Almost surely, 2^323144320144 is an apocalyptic number.

It is an amenable number.

323144320144 is a deficient number, since it is larger than the sum of its proper divisors (321068822576).

323144320144 is a wasteful number, since it uses less digits than its factorization.

323144320144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 323144320144 its reverse (441023441323), we get a palindrome (764167761467).

The spelling of 323144320144 in words is "three hundred twenty-three billion, one hundred forty-four million, three hundred twenty thousand, one hundred forty-four".